Study of Forced Expiratory Volume in First Second (FEV1) and Ratio of Forced Expiratory Volume in First Second and Forced Vital Capacity in Percentage (FEV1/FVC%) in Pregnant Women. J Enam Med Col [Internet]. 2012 Sep. 24 [cited 2026 Jul. 9];2(1):29-32. Available from: https://banglajol.info/index.php/JEMC/article/view/11926